Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES:
Net income	$ 593.1	$ 527.7
Depreciation and amortization:
Property, plant and equipment	133.0	97.2
Equipment on operating leases and other	314.5	285.1
Provision for losses on financial services receivables	7.7	11.8
Other, net	(33.0)	13.1
Change in operating assets and liabilities:
Trade and other receivables	(206.5)	(111.5)
Wholesale receivables on new trucks	64.8	(66.9)
Sales-type finance leases and dealer direct loans on new trucks	(6.3)	5.7
Inventories	(152.0)	(70.7)
Accounts payable and accrued expenses	122.4	367.7
Income taxes, warranty and other	3.1	93.4
Net Cash Provided by Operating Activities	840.8	1,152.6
INVESTING ACTIVITIES:
Originations of retail loans and direct financing leases	(1,471.4)	(1,432.4)
Collections on retail loans and direct financing leases	1,387.5	1,240.6
Net decrease in wholesale receivables on used equipment	4.6	15.1
Purchases of marketable securities	(619.1)	(408.1)
Proceeds from sales and maturities of marketable securities	549.3	365.0
Payments for property, plant and equipment	(158.0)	(269.7)
Acquisitions of equipment for operating leases	(533.9)	(608.3)
Proceeds from asset disposals	187.8	159.8
Net Cash Used in Investing Activities	(653.2)	(938.0)
FINANCING ACTIVITIES:
Payments of cash dividends	(467.8)	(141.4)
Proceeds from stock compensation transactions	13.3	17.5
Net increase (decrease) in commercial paper and short-term bank loans	243.7	(657.7)
Proceeds from long-term debt	951.5	1,345.1
Payments of long-term debt	(1,306.4)	(565.5)
Net Cash Used in Financing Activities	(565.7)	(2.0)
Effect of exchange rate changes on cash	8.3	(43.1)
Net (Decrease) Increase in Cash and Cash Equivalents	(369.8)	169.5
Cash and cash equivalents at beginning of period	1,750.1	1,272.4
Cash and cash equivalents at end of period	$ 1,380.3	$ 1,441.9